WATCH: 'Devil baby' terrifies strangers

A video of a robotic "devil baby" in a remote-controlled stroller terrifying strangers along the streets of New York has been viewed more than 4 million times in just 24 hours after it was posted on YouTube.

The unsuspecting passersby were caught on camera as they approached the seemingly unattended stroller.

The prank was part of a promotion for the upcoming film "Devil's Due".